Home / 34,570.60-47,709.56-20,230.71

Finding the Fourth Proportional to 34,570.60, 47,709.56 and 20,230.71

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Solution

The fourth proportional to 34,570.60, 47,709.56 and 20,230.71 is: 27,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,570.60 : 47,709.56 = 20,230.71 : x
  2. Step 2: Convert to fraction form
    34,570.60/47,709.56 = 20,230.71/x
  3. Step 3: Cross multiply
    34,570.60x = 47,709.56 × 20,230.71
  4. Step 4: Simplify right side
    34,570.60x = 965,198,298.82
  5. Step 5: Solve for x
    x = 965,198,298.82/34,570.60
  6. Step 6: Final answer
    x = 27,919.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.